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    Contents of /smage/trunk/include/kernel.sminc

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    Revision 2942 - (show annotations) (download)
    Tue Sep 6 19:13:26 2011 UTC (12 years, 8 months ago) by niro
    File size: 11600 byte(s) 
    -sane HOMEPAGE default
    1 # kernel global smage functions
    2 # $Id$
    3
    4 # needed extra vars:
    5 # ${KERNEL_TYPE}: needed, 'sources', 'headers' or 'image'
    6 # ${BRANCH}: needed, style branch of the kernel
    7 # ${KERNEL_CONFIG}: optional, needed if you want to override the default
    8 # searchpath ${SOURCEDIR}/${PNAME}/config-${PVER}-${BRANCH}-${PBUILD}
    9 #
    10 # ${PSUBVER}: optional, only needed for 2.6.x.x naming scheme
    11 # ${EXTRAVERSION}: optinal, extra version for the kernel name
    12 # default setting is ${PSUBVER}-${BRANCH}-${PBUILD}
    13 # ${KERNEL_IMAGE_PATH}: override the default KERNEL_IMAGE_PATH (to build xen images for e.g.)
    14
    15 sminclude mtools
    16
    17 # remove me when all distris support this:
    18 if [[ ${USE_KERNEL_ARCH_EXTENSION} = true ]]
    19 then
    20 KERNEL_ARCH_EXTENSION="-${ARCH}"
    21 else
    22 KERNEL_ARCH_EXTENSION=""
    23 fi
    24
    25 # some sane defaults
    26 : ${PCATEGORIE="sys-kernel"}
    27 : ${HOMEPAGE="http://kernel.org/"}
    28 : ${SRCFILE="linux-${PVER/${PSUBVER}/}.tar.bz2"}
    29 : ${SRCDIR="${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}"}
    30
    31 case ${KERNEL_TYPE} in
    32 image|sources)
    33 : ${SRC_URI=(
    34 http://www.kernel.org/pub/linux/kernel/v${PVER%%.*}/${SRCFILE}
    35 mirror://kernel-${BRANCH}/${SRCFILE}
    36 mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-i686
    37 mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-x86_64
    38 )}
    39 ;;
    40 headers)
    41 : ${SRC_URI=(
    42 http://www.kernel.org/pub/linux/kernel/v${PVER%%.*}/${SRCFILE}
    43 mirror://kernel-${BRANCH}/${SRCFILE}
    44 )}
    45 ;;
    46 esac
    47
    48 case ${KERNEL_TYPE} in
    49 image)
    50 : ${PROVIDE="virtual/kernel"}
    51 : ${DEPEND=">= sys-apps/module-init-tools-3.2
    52 >= sys-fs/udev-115
    53 >= sys-apps/mkinitrd-5.0.8
    54 >= virtual/initscripts"}
    55 ;;
    56 sources) : ${PROVIDE="virtual/kernel-sources"} ;;
    57 headers) : ${PROVIDE="virtual/kernel-headers"} ;;
    58 esac
    59
    60 EXTRAVERSION="${PSUBVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}"
    61 KERNEL_CONFIG="${SOURCEDIR}/${PNAME}/config-${PVER}-${BRANCH}-${PBUILD}-${ARCH}"
    62
    63 # special vars for mage file only
    64 KPVER="${PVER}"
    65 KPBUILD="${PBUILD}"
    66 KBRANCH="${BRANCH}"
    67 SPECIAL_VARS="${SPECIAL_VARS} KPVER KPBUILD KBRANCH"
    68
    69 kernel_src_prepare()
    70 {
    71 munpack ${SRCFILE} || die
    72 mv ${BUILDDIR}/linux-${PVER/${PSUBVER}/} ${SRCDIR} || die
    73
    74 # fix permissions
    75 chown -R 0:0 ${SRCDIR} || die
    76 chmod -R a+r-w+X,u+w ${SRCDIR} || die
    77
    78 cd ${SRCDIR}
    79
    80 # fixes INSTALL_PATH to /boot and EXTRAVERSION
    81 sed -i -e 's:#export\tINSTALL_PATH:export\tINSTALL_PATH:' \
    82 -e "s:^\(EXTRAVERSION =\).*:\1 ${EXTRAVERSION}:" Makefile || die
    83 }
    84
    85 kernel_src_compile()
    86 {
    87 cd ${SRCDIR}
    88
    89 make mrproper || die
    90
    91 if [[ ${KERNEL_TYPE} = sources ]] || [[ ${KERNEL_TYPE} = image ]]
    92 then
    93 # inject our kernel config
    94 cp ${KERNEL_CONFIG} ${SRCDIR}/.config || die
    95 make ARCH=${ARCH/i*86/x86} oldconfig || die
    96 fi
    97
    98 case ${KERNEL_TYPE} in
    99 image)
    100 mmake ARCH=${ARCH/i*86/x86} || die
    101 ;;
    102
    103 headers)
    104 make ARCH=${ARCH/i*86/x86} headers_check || die
    105 ;;
    106
    107 sources)
    108 make clean || die
    109
    110 # needed to compile other programs like iptables
    111 make ARCH=${ARCH/i*86/x86} prepare || die
    112 # needed to cover >=2.6.14 builds
    113 # but deprecated with >=2.6.21, prepare cover all targets there
    114 local kver=$(echo ${PVER} | sed "s:\.::g")
    115 # honor >=3.0.x; add one zero
    116 if [[ ${PVER%%.*} -gt 2 ]]
    117 then
    118 kver="${kver}0"
    119 fi
    120 if [[ ${kver} < 2621 ]]
    121 then
    122 make ARCH=${ARCH/i*86/x86} prepare-all || die
    123 fi
    124 make ARCH=${ARCH/i*86/x86} scripts || die
    125
    126 # at least alsa-drivers needs this one ...
    127 touch include/linux/autoconf.h || die
    128 ;;
    129 esac
    130 }
    131
    132 kernel_image_src_install()
    133 {
    134 cd ${SRCDIR}
    135
    136 # needed directories
    137 minstalldir /boot || die
    138
    139 # install modules
    140 make ARCH=${ARCH/i*86/x86} INSTALL_MOD_PATH=${BINDIR} modules_install || die
    141
    142 # install kernelimage
    143 if [[ -z ${KERNEL_IMAGE_PATH} ]]
    144 then
    145 local my_arch="${ARCH}"
    146 [[ ${my_arch} = i*86 ]] && my_arch=i386
    147 minstallfile arch/${my_arch}/boot/bzImage \
    148 /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    149 || die
    150 else
    151 minstallfile ${KERNEL_IMAGE_PATH} \
    152 /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    153 || die
    154 fi
    155
    156 # install System.map
    157 minstallfile System.map \
    158 /boot/System.map-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    159 || die
    160
    161 # install Module.symvers in boot and /usr/src
    162 minstallfile Module.symvers \
    163 /boot/Module.symvers-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    164 || die
    165 minstalldir /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} || die
    166 minstallfile Module.symvers \
    167 /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    168 || die
    169
    170 # install kernel description
    171 echo "
    172 KRNVER=${BRANCH}-${PVER}-${ARCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    173 KRNLIB=${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    174 KRNIMG=kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    175 KRNINITRD=
    176 " > ${BINDIR}/boot/kernelversion || die
    177
    178 # install kernel-config from srcdir
    179 minstallfile .config \
    180 /boot/config-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    181 || die
    182
    183 # fix build symlink
    184 if [ -L ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build ]
    185 then
    186 echo "fixing build symlink"
    187 rm ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build || die
    188 mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    189 /lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build \
    190 || die
    191 fi
    192
    193 # and fixing source symlink
    194 if [ -L ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source ]
    195 then
    196 echo "fixing source symlink"
    197 rm ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source || die
    198 mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    199 /lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source \
    200 || die
    201 fi
    202 }
    203
    204 kernel_headers_src_install()
    205 {
    206 cd ${SRCDIR}
    207 make ARCH=${ARCH/i*86/x86} INSTALL_HDR_PATH=${BINDIR}/usr headers_install || die
    208 }
    209
    210 kernel_sources_src_install()
    211 {
    212 cd ${BUILDDIR}
    213
    214 echo "Creating linux-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    215 tar cvjf ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 $(basename ${SRCDIR}) || die
    216
    217 echo "Moving linux-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    218 minstalldir /usr/src || die
    219 mv ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    220 }
    221
    222 # installs module-sources path/to/SRCDIR to MODDIR/MODNAME
    223 # kernel_external_modules_install path/to/SRCDIR DESTDIRNAME
    224 kernel_external_modules_install()
    225 {
    226 cd ${BUILDDIR}
    227
    228 local modsrc="$1"
    229 local moddest="$2"
    230 local moddir="${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}"
    231
    232 echo "Installing ${modsrc} to ${moddir}/${moddest} ..."
    233 install -d ${moddir} || die
    234 mv ${modsrc} ${moddir}/${moddest} || die
    235 }
    236
    237 kernel_external_modules_tarball()
    238 {
    239 cd ${BUILDDIR}
    240
    241 echo "Creating kernel-modules-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    242 tar cvjf ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 \
    243 kernel-modules-${PVER}-${BRANCH}-${PBUILD} || die
    244
    245 echo "Moving kernel-modules-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    246 minstalldir /usr/src || die
    247 mv ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    248 }
    249
    250 kernel_src_install()
    251 {
    252 case ${KERNEL_TYPE} in
    253 image)
    254 kernel_image_src_install || die
    255 ;;
    256
    257 headers)
    258 kernel_headers_src_install || die
    259 ;;
    260
    261 sources)
    262 kernel_sources_src_install || die
    263 ;;
    264 esac
    265 }
    266
    267 kernel_major_version()
    268 {
    269 local ksrc="$@"
    270 local kv
    271
    272 if [[ -z ${ksrc} ]]
    273 then
    274 kv="$(uname -r|cut -d. -f1-2)"
    275 else
    276 local version
    277 local patchlevel
    278
    279 # get version from makefile
    280 version=$(grep "^VERSION[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    281 # get patchlevel from makefile
    282 patchlevel=$(grep "^PATCHLEVEL[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    283 # kernelversion
    284 kv="${version}.${patchlevel}"
    285 fi
    286
    287 echo "${kv}"
    288 }
    289
    290 mod_suffix()
    291 {
    292 local ksrc="$@"
    293 local mod_suffix
    294 local kmv
    295
    296 kmv=$(kernel_major_version ${ksrc})
    297 if [[ ${kmv//.} -ge 26 ]]
    298 then
    299 mod_suffix="ko"
    300 else
    301 mod_suffix="o"
    302 fi
    303
    304 echo ${mod_suffix}
    305 }
    306
    307 kernel_image_preinstall()
    308 {
    309 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    310 then
    311 mount /boot &> /dev/null
    312 fi
    313 }
    314
    315 kernel_image_preremove()
    316 {
    317 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    318 then
    319 mount /boot &> /dev/null
    320 fi
    321 }
    322
    323 kernel_image_postremove()
    324 {
    325 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    326 then
    327 # remove old image entry from grub
    328 new-kernel-pkg -v --rminitrd --remove ${KPVER}-${KBRANCH}-${KPBUILD}
    329 fi
    330 }
    331
    332 kernel_image_postinstall()
    333 {
    334 [ ! -d ${MROOT}/sys ] && install -d ${MROOT}/sys
    335
    336 # fixes a small glitch in <=mage-0.3.6-r15 with symlinks
    337 [ -f ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} ] && \
    338 rm ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}
    339
    340 [ -x ${MROOT}/sbin/depmod ] &&
    341 ${MROOT}/sbin/depmod -ae \
    342 -F /boot/System.map-${KPVER}-${KBRANCH}-${KPBUILD} \
    343 ${KPVER}-${KBRANCH}-${KPBUILD}
    344
    345 # do not run this if ${MROOT} is set !
    346 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    347 then
    348 new-kernel-pkg -v --mkinitrd --make-default --install ${KPVER}-${KBRANCH}-${KPBUILD}
    349 fi
    350
    351 # symlink actual kernel to /boot/vmlinuz etc...
    352 ln -snf kernel-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/vmlinuz
    353 ln -snf System.map-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/System.map
    354 ln -snf config-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/config
    355 [[ -f ${MROOT}/boot/initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ]] &&
    356 ln -snf initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ${MROOT}/boot/initrd
    357 }
    358
    359 kernel_sources_postinstall()
    360 {
    361 # check for linux-VERSION/include as the kernel-image installs
    362 # the file Modules.symver in the linux-VERSION directory
    363 if [ ! -d ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}/include ]
    364 then
    365 echo "Unpacking linux-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    366 tar xvjf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    367 fi
    368
    369 if [ ! -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ] &&
    370 [ -f ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 ]
    371 then
    372 echo "Unpacking kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    373 tar xvjf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    374 fi
    375
    376 # if not exist create linux symlink
    377 if [ ! -h ${MROOT}/usr/src/linux ]
    378 then
    379 echo "Creating linux -> linux-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    380 [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    381 ln -snf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} \
    382 ${MROOT}/usr/src/linux || die
    383 fi
    384
    385 # if not exist create kernel-modules symlink
    386 if [ ! -h ${MROOT}/usr/src/kernel-modules ] &&
    387 [ -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ]
    388 then
    389 echo "Creating kernel-modules -> kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    390 [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    391 ln -snf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} \
    392 ${MROOT}/usr/src/kernel-modules || die
    393 fi
    394 }
    395
    396 export_inherits kernel src_prepare src_compile src_install
    397
    398 # export pre/postinstall functions depending on KERNEL_TYPE
    399 case ${KERNEL_TYPE} in
    400 image)
    401 export_inherits kernel_image preinstall preremove postinstall postremove
    402 SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_image_preinstall kernel_image_preremove kernel_image_postinstall kernel_image_postremove"
    403 ;;
    404 sources)
    405 export_inherits kernel_sources postinstall
    406 SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_sources_postinstall"
    407 ;;
    408 esac